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LibWeb: Post all MessagePort messages over their LocalSockets

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This is to allow future changes to do cross-process MessagePorts in an
implementation-agnostic way. Add some tests for this behavior.

Delivering messages that were posted to a MessagePort just before it was
transferred is not yet implemented still.
This commit is contained in:
Andrew Kaster 2023-12-19 15:28:56 -07:00 • committed by Andrew Kaster
parent 6e3b816763
commit c0f50b12a4
7 changed files with 301 additions and 52 deletions
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3
Userland/Libraries/LibWeb/HTML/MessagePort.idl
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@ -4,7 +4,8 @@
// https://html.spec.whatwg.org/multipage/web-messaging.html#messageport
[Exposed=(Window,Worker,AudioWorklet), Transferable]
interface MessagePort : EventTarget {
undefined postMessage(any message, sequence<object> transfer);
// FIXME: IDL Overload resolution fails here
// FIXME: undefined postMessage(any message, sequence<object> transfer);
undefined postMessage(any message, optional StructuredSerializeOptions options = {});
undefined start();
undefined close();